Q: Is 629,646 a Prime Number?
A: No, 629,646 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 629646 can be evenly divided by 1 2 3 6 17 34 51 102 6,173 12,346 18,519 37,038 104,941 209,882 314,823 and 629,646, with no remainder.
Since 629,646 cannot be divided by just 1 and 629,646, it is not a prime number.